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Astrophysics Source Code Library

Making codes discoverable since 1999

Searching for codes credited to 'Lei, Elise'

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[ascl:2506.010] easyCHEM: Chemical abundances in exoplanet atmospheres calculator

easyCHEM calculates chemical equilibrium abundances (including condensation) and adiabatic gradients by minimization of the so-called Gibbs free energy. Ancillary outputs are the atmospheric adiabatic temperature gradient and mean molar mass. Because easyCHEM incorporates the dgesv routine from LAPACK (ascl:2104.020) for fast matrix inversion,external math libraries are not required.